Ethylene-alpha-olefin copolymer, resin composition containing same and biaxially stretched film thereof
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United States of America Patent
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Issued Date -
Nov 4, 2004
app pub date -
Feb 4, 2004
filing date -
Feb 7, 2003
priority date (Note) -
Abandoned
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Abstract
An ethylene-.alpha.-olefin copolymer resin having a melt index of 0.5 to 2.0 g/10 minutes and a density of 0.905 to 0.920 g/cm.sup.3 and showing such a temperature raising elution fractionation pattern that the amount of fractions corresponding to a high density polyethylene is 8 to 25% of the total elution and that the amount of fractions eluted up to a temperature of T.sub.40.degree. C. is 40% of the total elution and the amount of fractions eluted up to a temperature of T.sub.70.degree. C. is 70% of the total elution, wherein the value of 30/(T.sub.70-T.sub.40) is 2.0 to 3.3%/.degree. C.
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